Merge branch 'md-next' of...

Merge branch 'md-next' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/song/md into for-5.7/drivers

Pull MD fixes from Song.

* 'md-next' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/song/md:
  block: keep bdi->io_pages in sync with max_sectors_kb for stacked devices
  md: check arrays is suspended in mddev_detach before call quiesce operations